Year	Number of Firms
1992-01-01	25
1997-01-01	74
2002-01-01	81
2003-01-01	82
2004-01-01	91
2005-01-01	84
2006-01-01	98
2007-01-01	112
2008-01-01	135
2009-01-01	99
2010-01-01	117
2011-01-01	101
2012-01-01	94
2013-01-01	101
2014-01-01	100
2015-01-01	91
2016-01-01	87